CN112281823B - Laminated pouring type concrete pile and pouring process thereof - Google Patents
Laminated pouring type concrete pile and pouring process thereof Download PDFInfo
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- CN112281823B CN112281823B CN202011082850.2A CN202011082850A CN112281823B CN 112281823 B CN112281823 B CN 112281823B CN 202011082850 A CN202011082850 A CN 202011082850A CN 112281823 B CN112281823 B CN 112281823B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
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Abstract
The invention discloses a laminated pouring type concrete pile and a pouring process thereof, belonging to the technical field of concrete piles, wherein a reinforcement cage mechanism is hoisted in a prefabricated pile casing, a plurality of transverse insertion bodies move outwards under the action of the pouring pressure of concrete and are inserted into a soil body of a pile hole in the pouring process of the concrete, the connection property of the device and the soil body and the transverse bearing strength of the device to the soil body are effectively enhanced, then the laminated pouring process is adopted, a vertical reinforcement column is matched with a fixed transverse reinforcement plate at the lower end part of the vertical reinforcement column to play a role of well driving a pile foundation, the transverse reinforcement plate movably sleeved at the upper end part of the vertical reinforcement column plays a role of hammering the continuously laminated pouring concrete, and the laminated transverse reinforcement plates are matched with the vertical reinforcement column, so that the bonding strength of a concrete filling core and a reinforcement cage is effectively improved, and the filling core is effectively prevented from being easily pulled out, on the other hand, the transverse steel rib plates are stacked and pressurized, so that the vibrating compaction effect on concrete is effectively improved, and the exhaust effect is also achieved.
Description
Technical Field
The invention relates to the technical field of concrete piles, in particular to a stacked pouring type concrete pile and a pouring process thereof.
Background
In modern building industry, foundations and piles are one of the most important parts of buildings, and concrete piles are piles made of concrete (including ordinary reinforced concrete and prestressed concrete), and have the advantages of wood and steel saving, durability, low manufacturing cost and the like. Concrete piles are an indispensable important part of a building foundation, not only bear upper buildings, but also ensure the stability of the upper buildings, and are widely applied to building foundation engineering.
Currently, the current practice is. When a foundation is constructed and a concrete pile is built in a building, a pile hole is generally drilled, then a prefabricated reinforcement cage is placed in the pile hole, concrete is poured to fill the pile hole, and the concrete pile is formed after the reinforcement cage is solidified. Because the inner wall of the concrete pile is smooth, the bonding strength between the core filling concrete and the inner wall is poor, and the reinforced concrete core filling is easy to pull out; in addition, the appearance of traditional concrete pile is generally the linear type, and the shortcoming of this kind of pile is that the frictional force between the soil body is less, and its horizontal bearing capacity is not enough, when needs satisfy great bearing capacity, often needs increase the length or the quantity of tubular pile, and this can increase the cost of whole pile foundation engineering.
Therefore, the laminated pouring type concrete pile and the pouring process thereof are provided for effectively solving some problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a laminated pouring type concrete pile and a pouring process thereof, wherein a reinforcement cage mechanism is hoisted in a prefabricated pile casing, a plurality of transverse insertion bodies move outwards under the action of the pouring pressure of concrete and are inserted into a soil body of a pile hole in the pouring process of the concrete, the connection property of the device and the soil body and the transverse bearing strength of the device to the soil body are effectively enhanced, then the laminated pouring process is adopted, a vertical reinforcement column is matched with a fixed transverse reinforcement plate at the lower end part of the vertical reinforcement column to play a role of pile foundation, a transverse reinforcement plate movably sleeved at the upper end part of the vertical reinforcement column plays a role of hammering the continuously laminated poured concrete, the laminated transverse reinforcement plate is matched with the vertical reinforcement column, on one hand, the bonding strength of a concrete filling core and the reinforcement cage is effectively improved, and the filling core is effectively prevented from being easily pulled out, on the other hand, the transverse steel rib plates are stacked and pressurized, so that the vibrating compaction effect on concrete is effectively improved, and the exhaust effect is also achieved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A laminated pouring type concrete pile comprises a prefabricated pile casing, wherein a plurality of groups of transverse pouring grooves are formed in the side wall of the prefabricated pile casing from top to bottom, a plurality of transverse pouring grooves are formed in each group and are annularly distributed on the outer side wall of the prefabricated pile casing, transverse inserting bodies communicated with the inside of the transverse pouring grooves are movably inserted in the transverse pouring grooves, a reinforcement cage mechanism is hoisted in the prefabricated pile casing and comprises a plurality of vertical reinforcement columns which are annularly distributed, a plurality of transverse reinforcement plates are sleeved on the vertical reinforcement columns in the vertical direction, sleeve holes for the vertical reinforcement columns to penetrate through are formed in the transverse reinforcement plates, a plurality of pouring holes are formed in the transverse reinforcement plates, the prefabricated pile casing is divided into a plurality of sub-pouring cavities by the transverse reinforcement plates, and a concrete pouring layer is arranged in the sub-pouring cavities, and a plurality of heat guiding bodies are arranged at the bottom end of the transverse steel rib plate.
Furthermore, a plurality of transverse steel rib plates positioned on the side wall at the lower end of the vertical steel bar column are fixedly connected with the vertical steel bar column, a plurality of transverse steel rib plates positioned on the side wall at the upper end of the vertical steel bar column are movably connected with the vertical steel bar column, the plurality of transverse steel rib plates are respectively positioned between the transverse insertion bodies which are adjacent up and down and correspond to the transverse steel rib plates, a plurality of groups of transverse steel rib plates are fixedly connected and movably connected, a plurality of transverse steel rib plates positioned below and the vertical steel bar column form a fixed steel reinforcement cage structure, the steel reinforcement cage structure plays a role in bearing and reinforcing in the subsequent concrete pouring process after being hoisted in the prefabricated pile casing, after the concrete pouring half process, the plurality of movable transverse steel rib plates are hoisted for concrete pressurization through superposition pouring, on one hand, the vibration compaction effect on a concrete pouring layer is effectively improved, on the other hand, the air bubbles in the concrete are effectively discharged by hammering type pressurization.
Furthermore, the transverse inserting body comprises an inserting column which is connected to the inside of the transverse pouring groove in a sliding mode, limiting blocks are arranged on the upper side wall and the lower side wall of the inserting column, sliding grooves used for sliding connection of the limiting blocks are formed in the upper inner wall and the lower inner wall of the transverse pouring groove, the transverse inserting body is movably connected to the transverse pouring groove, after concrete is poured into the prefabricated pile casing, under the pressurizing condition of concrete pouring, the transverse inserting body is pressed to push outwards and extrude into soil bodies on the peripheral side walls of the pile hole, the friction force of the whole concrete pile on the soil body of the pile hole is effectively improved, and the transverse bearing force of the concrete pile is enhanced.
Further, it is a plurality of insert the outer end of establishing the post and seted up the cavity, be equipped with a plurality of sharp portions of wearing to establish in the cavity, it is a plurality of the outer end of wearing to establish the point portion extends to the outside of inserting and establishing the post, the inner of wearing to establish the point portion communicates with horizontal pouring groove mutually, and after concreting, the concrete is through wearing to establish the point portion and extending to the prefabricated section of thick bamboo outside of protecting to adhere mutually with the soil body in stake hole, further improve its horizontal bearing capacity.
Furthermore, the middle inner side of the vertical steel bar column is provided with an exhaust hole, and the side wall of the vertical steel bar column, which is positioned inside the prefabricated casing, is provided with a plurality of air guide holes communicated with the exhaust hole, so that the vertical steel bar column is favorable for exhaust during concrete pouring.
Furthermore, the heat guiding body comprises an outer hot melting bag embedded on the transverse reinforcing steel plate, wherein reducing iron powder and silicon dioxide particles are filled in the outer hot melting bag, the mass fraction ratio of the reducing iron powder to the silicon dioxide particles is 2:1, after the outer hot melting bag is heated and melted, the reducing iron powder overflows and is used for absorbing gas in concrete and reacting with the gas to generate heat, on one hand, the bubble amount of the concrete is effectively reduced, on the other hand, the pouring heat of the concrete is effectively improved, the heat preservation effect is achieved, and the subsequent overlapping pouring cannot be influenced due to the fact that the concrete is solidified in a short time in a low-temperature environment.
Further, the lateral wall of outer hot melt bag is equipped with a plurality of archs, the lateral wall cladding of outer hot melt bag has the diaphragm, and the diaphragm plays the waterproof effect of gas insulation, and when using, it can to tear the diaphragm.
Furthermore, the bottom end part of the transverse steel rib plate is annularly provided with a plurality of groups of steel bar fiber columns, the steel bar fiber columns are provided with a plurality of groups, metal fiber spines are arranged on the steel bar fiber columns, and the steel bar fiber columns are mixed with concrete after being placed in a pouring cavity, so that the bonding strength between the concrete and the transverse steel rib plate is effectively enhanced, and the integral mechanical strength of the concrete and a steel reinforcement cage mechanism is effectively enhanced.
A pouring process of a laminated pouring type concrete pile comprises the following specific operation steps:
s1, firstly, a technician drills a pile hole on the foundation by using a pile driver, cleans the pile hole, places the prefabricated pile casing with the transverse insertion body into the pile hole by using a hoisting machine, and hoists the reinforcement cage mechanism into the prefabricated pile casing;
s2, pouring concrete into the prefabricated pile casing, wherein the concrete penetrates through the pouring holes to extend downwards in the prefabricated pile casing to form a concrete pouring layer, in the concrete pouring process, the plurality of transverse inserting bodies movably connected to the prefabricated pile casing are extruded by pouring pressure to be pushed outwards, so that the transverse inserting bodies are inserted into soil bodies inside pile holes, the concrete is poured at a half position in the prefabricated pile casing, namely when the first poured concrete overflows the transverse steel rib plates fixedly connected to the vertical steel rib columns, the first pouring is completed;
s3, after the first pouring is completed, hoisting the transverse steel rib plates movably connected to the vertical steel bar columns, sleeving the transverse steel rib plates on the vertical steel bar columns, continuously hoisting and extruding concrete downwards, hammering the transverse steel rib plates by utilizing an external force application hammer body, repeating the steps, and performing superposition pouring and hoisting a plurality of transverse steel rib plates for pressurizing the concrete.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the reinforcement cage mechanism is hoisted in the prefabricated pile casing, in the process of pouring concrete, a plurality of transverse insertion bodies are pushed outwards under the left and right of the pouring pressure of the concrete and are inserted into the soil body of the pile hole, the connection property of the concrete pile and the soil body and the transverse bearing strength of the concrete pile to the soil body are effectively enhanced, then a stacking type pouring process is adopted, the vertical reinforcement column is matched with a plurality of transverse reinforcement plates of fixed structures at the lower end part of the vertical reinforcement column to play a role in driving a pile foundation, the plurality of transverse reinforcement plates movably sleeved at the upper end part of the vertical reinforcement column play a role in hammering and pressurizing on the continuously stacked concrete, the transverse reinforcement plates arranged in a stacking manner are matched with the vertical reinforcement column, on one hand, the bonding strength of the concrete filling core and the reinforcement cage mechanism is effectively improved, the filling core is effectively prevented from being easily pulled out, on the other hand, the transverse reinforcement plates are stacked and pressurized, effectively improves the vibrating and compacting effects on the concrete pouring layer and further reduces the bubble remaining amount in the concrete.
(2) A plurality of transverse steel rib plates positioned on the side wall of the lower end of the vertical steel bar column are fixedly connected with the vertical steel bar column, a plurality of transverse steel rib plates positioned on the side wall of the upper end of the vertical steel bar column are movably connected with the vertical steel bar column, and a plurality of transverse reinforcing steel bar plates are respectively positioned between the transverse insertion bodies which are arranged up and down adjacently and correspond to the transverse reinforcing steel bar plates, a plurality of groups of transverse reinforcing steel bar plates are arranged to be fixedly connected and movably connected, a plurality of transverse reinforcing steel bar plates positioned below and the vertical reinforcing steel bar columns form a fixed reinforcing steel bar cage structure, the reinforcement cage structure plays a role in bearing and reinforcing in the subsequent concrete pouring process after being hung in the prefabricated pile casing, after the concrete is poured in a half process, a plurality of movable transverse steel rib plates are stacked, poured and hoisted to pressurize the concrete, so that the vibrating compaction effect on a concrete pouring layer is effectively improved, and bubbles in the concrete are effectively discharged by hammering type pressurization.
(3) Transversely insert the body and include sliding connection in the inside post of inserting of horizontal pouring inslot, insert and be equipped with the stopper on the upper and lower lateral wall of establishing the post, all offer the sliding tray that is used for the stopper to slide the linking on the upper and lower inner wall of horizontal pouring groove, transversely insert the body activity of establishing and link up in horizontal pouring inslot, after concreting in the prefabricated casing, under the pressurization condition of concrete placement, oppress and transversely insert the body and promote outwards and extrude in the soil body of lateral wall around the stake hole, effectively improve the frictional force of whole concrete pile in the stake hole soil body, strengthen the horizontal bearing force of this concrete pile.
(4) A plurality of outer ends of establishing the post of inserting have seted up the cavity, are equipped with a plurality of sharp portions of wearing to establish in the cavity, and a plurality of outer ends of wearing to establish the point portion extend to insert the outside of establishing the post, and the inner of wearing to establish the point portion communicates with horizontal pouring groove mutually, and after concreting, the concrete is through wearing to establish the point portion and extending to the prefabricated section of thick bamboo outside of protecting to bond mutually with the soil body in stake hole, further improve its horizontal bearing capacity.
(5) The exhaust hole has been seted up to the middle part inboard of vertical steel bar post, and vertical steel bar post is located and has seted up a plurality of air guide holes that are linked together with the exhaust hole on the inside lateral wall of prefabricated casing, is favorable to being used for the exhaust when concrete placement.
(6) The thermal guide body comprises an outer hot melting bag embedded on the transverse reinforcing steel plate, wherein reducing iron powder and silicon dioxide particles are filled in the outer hot melting bag, the mass fraction ratio of the reducing iron powder to the silicon dioxide particles is 2:1, after the outer hot melting bag is heated and melted, the reducing iron powder overflows and is used for absorbing gas in concrete and reacting with the gas to generate heat, on one hand, the bubble amount of the concrete is effectively reduced, on the other hand, the pouring heat of the concrete is effectively improved, the thermal insulation effect is achieved, and the subsequent overlapping pouring cannot be influenced due to the fact that the concrete is solidified in a short time in a low-temperature environment.
(7) The bottom portion annular of horizontal steel bar plate distributes has multiunit reinforcing bar fiber post, and multiunit reinforcing bar fiber post is provided with a plurality ofly, and is provided with the metal fiber thorn on the reinforcing bar fiber post, and the reinforcing bar fiber post is arranged in and is pour the intracavity back, mixes with the concrete, effectively strengthens the bonding dynamics between concrete and the horizontal steel bar plate to effectively strengthen the whole mechanical strength of concrete and steel reinforcement cage mechanism.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a perspective view of the reinforcement cage mechanism of the present invention;
FIG. 5 is an internal cross-sectional view of the junction of the prefabricated casing of the present invention with the lateral interposition member;
FIG. 6 is a bottom schematic view of a transverse steel web of the present invention;
FIG. 7 is an internal schematic view of the thermal conductor of the present invention;
fig. 8 is a schematic view of the structure of the heat conductor of the present invention.
The reference numbers in the figures illustrate:
the device comprises a prefabricated pile casing 1, a horizontal pouring groove 2, a vertical steel bar column 3, a horizontal inserting body 4, an inserting column 401, a limiting block 402, a tip part 403 penetrating through the prefabricated pile casing, a concrete pouring layer 5, a horizontal steel bar plate 6, a sleeving hole 601, a steel bar fiber column 602, a heat guiding body 7, an external hot melting bag 701, reducing iron powder 702, a diaphragm 703, silica particles 704 and a force application hammer body 8.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-4, a stacked concrete pile comprises a prefabricated pile casing 1, a plurality of groups of transverse casting grooves 2 are drilled on the side wall of the prefabricated pile casing 1 from top to bottom, a plurality of transverse casting grooves 2 are arranged in each group, the plurality of transverse casting grooves 2 are annularly distributed on the outer side wall of the prefabricated pile casing 1, transverse insertion bodies 4 communicated with the inside of the transverse casting grooves 2 are movably inserted into the transverse casting grooves 2, a reinforcement cage mechanism is hoisted in the prefabricated pile casing 1 and comprises a plurality of vertical reinforcement columns 3 which are annularly distributed, a plurality of transverse reinforcement plates 6 are sleeved on the vertical reinforcement columns 3 along the vertical direction, exhaust holes are formed in the inner sides of the middles of the vertical reinforcement columns 3, a plurality of air guide holes communicated with the exhaust holes are formed in the side wall of the vertical reinforcement columns 3 in the prefabricated pile casing 1, the air guide holes are favorable for exhaust during concrete pouring, sleeved holes 601 for the vertical reinforcement columns 3 to penetrate through are formed in the transverse reinforcement plates 6, a plurality of pouring holes are drilled in the transverse steel rib plates 6, the interior of the prefabricated pile casing 1 is divided into a plurality of sub-pouring cavities by the transverse steel rib plates 6, concrete pouring layers 5 are arranged in the plurality of sub-pouring cavities, the concrete pouring layers 5 are formed by pouring concrete from top to bottom, the concrete permeates the transverse steel rib plates 6 to overflow into the plurality of pouring cavities and well adhere to the transverse steel rib plates 6, the overall adhesion and mechanical strength of the concrete pouring layers 5 and the steel reinforcement cage mechanism are effectively enhanced, the interior of the prefabricated pile casing 1 can be preprocessed, the roughness of the interior is improved, the adhesion of the concrete pouring layers 5 and the inner wall of the prefabricated pile casing 1 is improved, and the concrete pouring layers 5 and the steel reinforcement cage mechanism are effectively prevented from being easily pulled out of the prefabricated pile casing 1.
Referring to fig. 4-6, a plurality of transverse rib plates 6 on the side wall of the lower end of a vertical rib column 3 are fixedly connected with the vertical rib column 3, a plurality of transverse rib plates 6 on the side wall of the upper end of the vertical rib column 3 are movably connected with the vertical rib column 3, the plurality of transverse rib plates 6 are respectively positioned between the transverse insertion bodies 4 which are arranged corresponding to the transverse rib plates and are adjacently arranged up and down, a plurality of groups of transverse rib plates 6 are respectively arranged into a fixed connection and a movable connection, the plurality of transverse rib plates 6 and the vertical rib column 3 which are positioned below form a fixed steel reinforcement cage structure, the steel reinforcement cage structure plays a role of bearing and reinforcing in the subsequent concrete pouring process after being hoisted in the prefabricated protective cylinder 1, after the half concrete pouring process, the plurality of movable transverse rib plates 6 are stacked and hoisted for concrete pressurization, on the one hand, the vibration compaction effect on a concrete pouring layer 5 is effectively improved, on the other hand, the air bubbles in the concrete are effectively discharged by hammering type pressurization.
Referring to fig. 6, the transverse inserting body 4 includes an inserting column 401 slidably connected to the inside of the transverse casting groove 2, the upper and lower side walls of the inserting column 401 are provided with a stopper 402, the upper and lower inner walls of the transverse casting groove 2 are both provided with a sliding groove for slidably engaging the stopper 402, the transverse inserting body 4 is movably engaged in the transverse casting groove 2, when concrete is cast in the prefabricated casing 1, under the pressure of the concrete casting, the transverse inserting body 4 is pressed to push outwards and extrude into the soil around the side wall of the pile hole, so as to effectively improve the friction force of the whole concrete pile on the soil of the pile hole and enhance the transverse bearing strength of the concrete pile, and the outer ends of the plurality of inserting columns 401 are provided with cavities, a plurality of penetrating tips 403 are arranged in the cavities, the outer ends of the plurality of penetrating tips 403 extend to the outside of the inserting columns 401, the inner ends of the penetrating tips 403 are communicated with the transverse casting groove 2, after the concrete is poured, the concrete extends to the outer side of the prefabricated pile casing 1 through the penetrating tip part 403 and is bonded with the soil body of the pile hole, so that the transverse bearing capacity of the prefabricated pile casing is further improved.
Referring to fig. 7-8, a plurality of heat guiding bodies 7 are disposed at the bottom end of the transverse steel rib plate 6, each heat guiding body 7 includes an outer heat-fusible bag 701 embedded on the transverse steel rib plate 6, the outer heat-fusible bag 701 is filled with reducing iron powder 702 and silica particles 704, the mass fraction ratio of the reducing iron powder 702 to the silica particles 704 is 2:1, the outer side wall of the outer heat-fusible bag 701 is provided with a plurality of protrusions, the outer side wall of the outer heat-fusible bag 701 is covered with a membrane 703, the membrane 703 plays a role in gas isolation and water prevention, when in use, the membrane 703 is torn off, after the outer heat-fusible bag 701 is heated and melted, the reducing iron powder 702 diffuses out and is used for absorbing gas in concrete and reacting with the gas to generate heat, on one hand, the amount of concrete bubbles is effectively reduced, on the other hand, the pouring heat of concrete is effectively increased after reacting with the gas, the heat-preserving effect is achieved, and in a low-temperature environment, the concrete is not solidified in a shorter time to affect the subsequent pouring, and the silica particles 704 filled in the thermal conductor 7 improve the mechanical strength of the joint of the concrete pouring layer 5 and the transverse steel rib plate 6.
In addition, the bottom end part of horizontal steel rib plate 6 has the annular distribution to have the multiunit reinforcing bar fibre post 602, and multiunit reinforcing bar fibre post 602 is provided with a plurality ofly, and is provided with the metal fiber thorn on the reinforcing bar fibre post 602, and reinforcing bar fibre post 602 mixes with the concrete after arranging the pouring intracavity in, effectively strengthens the bonding dynamics between concrete and horizontal steel rib plate 6 to effectively strengthen the whole mechanical strength of concrete and steel reinforcement cage mechanism.
A pouring process of a laminated pouring type concrete pile comprises the following specific operation steps:
s1, firstly, a technician drills a pile hole on the foundation by using a pile driver, cleans the pile hole, places the prefabricated pile casing 1 with the transverse insertion body 4 into the pile hole by using a hoisting machine, and hoists the reinforcement cage mechanism into the prefabricated pile casing 1;
s2, pouring concrete into the prefabricated pile casing 1, wherein the concrete penetrates through the pouring holes to extend downwards in the prefabricated pile casing 1 to be poured to form a concrete pouring layer 5, in the concrete pouring process, the pouring pressure can extrude the plurality of transverse inserting bodies 4 movably connected to the prefabricated pile casing 1 to push outwards, so that the transverse inserting bodies 4 are inserted into soil bodies in pile holes, the concrete is poured at a half position in the prefabricated pile casing 1, namely when the first poured concrete overflows the transverse steel rib plates 6 fixedly connected to the vertical steel rib columns 3, the first pouring is completed;
s3, after the first pouring is completed, hoisting the transverse steel rib plates 6 movably connected to the vertical steel rib columns 3, sleeving the transverse steel rib plates 6 on the vertical steel rib columns 3, continuously hoisting extruded concrete downwards, hammering the transverse steel rib plates 6 by using the external force application hammer bodies 8, repeating the steps, and performing superposition pouring and hoisting a plurality of transverse steel rib plates 6 to pressurize the concrete.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a pile is pour to lamination, includes prefabricated pile casing (1), its characterized in that: the side wall of the prefabricated pile casing (1) is provided with a plurality of groups of transverse pouring grooves (2) from top to bottom, each group of transverse pouring grooves (2) is provided with a plurality of transverse pouring grooves (2) which are annularly distributed on the outer side wall of the prefabricated pile casing (1), the transverse pouring grooves (2) are movably inserted into transverse insertion bodies (4) communicated with the inside of the transverse pouring grooves, a reinforcement cage mechanism is hoisted in the prefabricated pile casing (1) and comprises a plurality of vertical reinforcement columns (3) which are annularly distributed, a plurality of transverse reinforcement plates (6) are sleeved on the vertical reinforcement columns (3) along the vertical direction, sleeve holes (601) for the vertical reinforcement columns (3) to penetrate through are formed in the transverse reinforcement plates (6), a plurality of pouring holes are formed in the transverse reinforcement plates (6), and the transverse reinforcement plates (6) separate the prefabricated pile casing (1) into a plurality of sub pouring cavities, a concrete pouring layer (5) is arranged in the plurality of sub-pouring cavities, and a plurality of heat guiding bodies (7) are arranged at the bottom end of the transverse steel rib plate (6);
the transverse inserting body (4) comprises an inserting column (401) which is connected inside the transverse pouring groove (2) in a sliding mode, limiting blocks (402) are arranged on the upper side wall and the lower side wall of the inserting column (401), and sliding grooves used for enabling the limiting blocks (402) to be connected in a sliding mode are formed in the upper inner wall and the lower inner wall of the transverse pouring groove (2);
the outer ends of the inserting columns (401) are provided with cavities, a plurality of penetrating tip portions (403) are arranged in the cavities, the outer ends of the penetrating tip portions (403) extend to the outer portions of the inserting columns (401), and the inner ends of the penetrating tip portions (403) are communicated with the transverse pouring groove (2);
the inner side of the middle part of the vertical steel bar column (3) is provided with an exhaust hole, and the side wall of the vertical steel bar column (3) positioned in the prefabricated protective cylinder (1) is provided with a plurality of air guide holes communicated with the exhaust hole;
the thermal guide body (7) comprises an outer hot melting bag (701) embedded on a transverse steel rib plate (6), wherein reducing iron powder (702) and silicon dioxide particles (704) are filled in the outer hot melting bag (701), and the mass fraction ratio of the reducing iron powder (702) to the silicon dioxide particles (704) is 2: 1;
the outer side wall of the outer hot melt bag (701) is provided with a plurality of protrusions, and the outer side wall of the outer hot melt bag (701) is coated with a diaphragm (703);
a plurality of groups of steel bar fiber columns (602) are annularly distributed at the bottom end part of the transverse steel rib plate (6), a plurality of groups of steel bar fiber columns (602) are arranged, and metal fiber spines are arranged on the steel bar fiber columns (602).
2. A cast-in-lay concrete pile according to claim 1, characterised in that: the transverse reinforcing plates (6) located on the side wall of the lower end of the vertical reinforcing column (3) are fixedly connected with the vertical reinforcing column (3), the transverse reinforcing plates (6) located on the side wall of the upper end of the vertical reinforcing column (3) are movably connected with the vertical reinforcing column (3), and the transverse reinforcing plates (6) are respectively located between the transverse inserting bodies (4) which are adjacent to the transverse inserting bodies in the vertical direction and correspond to the transverse inserting bodies in positions.
3. The process of casting a laminated cast-in-place concrete pile according to claim 2, wherein: the specific operation steps are as follows:
s1, firstly, a technician drills a pile hole on the foundation by using a pile driver, cleans the pile hole, places the prefabricated pile casing (1) with the transverse insertion body (4) in the pile hole by using a hoisting machine, and hoists the reinforcement cage mechanism in the prefabricated pile casing (1);
s2, pouring concrete into the prefabricated pile casing (1), wherein the concrete penetrates through the pouring holes to extend downwards in the prefabricated pile casing (1) and pour to form a concrete pouring layer (5), in the concrete pouring process, the pouring pressure can extrude the plurality of transverse inserting bodies (4) movably connected to the prefabricated pile casing (1) to push outwards, so that the transverse inserting bodies (4) are inserted into soil bodies in pile holes, the concrete is poured at a half position in the prefabricated pile casing (1), and when the first poured concrete overflows the transverse steel rib plates (6) fixedly connected to the vertical steel rib columns (3), the first pouring is completed;
s3, after the first pouring is completed, hoisting transverse steel rib plates (6) movably connected to the vertical steel rib columns (3), sleeving the transverse steel rib plates (6) on the vertical steel rib columns (3) and continuously hoisting extruded concrete downwards, hammering the transverse steel rib plates (6) by utilizing external force application hammer bodies (8), repeating the operation, and performing superposition pouring and hoisting on a plurality of transverse steel rib plates (6) to pressurize the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113529696B (en) * | 2021-06-26 | 2023-04-18 | 浙江龙鼎混凝土建材股份有限公司 | Graded combined silicon powder modified concrete pipe pile and preparation method thereof |
| CN114411713B (en) * | 2022-01-14 | 2022-11-08 | 江苏方园桩业有限公司 | Concrete square pile with multi-angle adjusting mechanism inside |
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